alpenglow acupuncture

Delivering high-quality, personalized acupuncture and Traditional Chinese Medicine services to the awesome people of Wheat Ridge, Golden, Arvada and Lakewood, Colorado with flexible appointment options to fit your lifestyle and budget.


Karen Marks
L.Ac., Dipl. OM.
MSOM NCCAOM Board Certified


Karen has been practicing acupuncture and Chinese Medicine since 2003. She primarily uses Japanese-style acupuncture, as well as adjunct therapies such as moxa, cupping, tuina/shiatsu, electrical stimulation, injection therapy and trigger point therapy (sometimes called dry needling).

Karen also enjoys working with children, using a Japanese technique called Sho-ni-shin, which utilizes special tools for tapping and rubbing the skin in place of- and sometimes in addition to- needling.

Karen is also trained in Acutonics and cosmetic acupuncture.

In addition to her work at Alpenglow Acupuncture, Karen has worked with many non-profits over the years. In 2005, she accompanied Acupuncturists Without Borders to serve in the aftermath of hurricane Katrina. She was one of the first acupuncturists to volunteer for the Chanda Plan Foundation, a non-profit that helps provide alternative treatment to individuals with disabilities. In 2010, Karen went to Uganda on two different visits to help teach local healthcare providers, such as nurses and midwives, how to use simple acupuncture protocols in their practices. These simple protocols have helped conditions such as splenomegaly, symptoms related to Malaria, TB and AIDS (while also treating with western medications), sleep disorders, and pain. Karen was recognized for these efforts in 2011 with the Arvada Young Professionals Leadership Award.

Karen first became interested in acupuncture and Chinese Medicine when she was successfully treated for back pain and asthma while studying music at UCLA. After graduating Cum Laude with a double specialization in jazz studies and music education, she spent a year in Japan teaching English and studying the Japanese culture and language. She also visited Thailand, Mongolia and China during this time.

After returning to the US, Karen attended Southwest Acupuncture College (SWAC) in Boulder, Colorado. There, she received her Masters of Science in Oriental Medicine, which included an intense education in both Chinese and Japanese style acupuncture and herbal medicine, as well as classes in the western medical biosciences, physics and chemistry.

Karen took part in many specialized internships, including those at the Longmont Oncology Clinic, Boulder County AIDS Project, and Golden West Retirement Community. At the onsite clinic at SWAC, she also participated in the Japanese-style, sports medicine and herbal specialty clinics, as well as the regular acupuncture/herb clinics

From 2006-2014, Karen was a co-owner and practitioner at Olde Town Acupuncture & Wellness Center, where her focus was on community acupuncture. She has taken this experience and built upon it to create what she believes is a better experience for patient and practitioner alike, here at Alpenglow Acupuncture.

Karen is a native of Arvada, Colorado, and she enjoys hiking, biking (both on road and off), skiing and travelling, as well as listening to or performing music, reading and spending time with her family.

Sarah Feinstein
L.Ac., Dipl. OM.
MSOM NCCAOM Board Certified

Originally from Austin, Texas, Sarah found a home in Colorado nearly 10 years ago. Attracted to its wild blue yonder, she came to know the healthy and alternative lifestyle that the people of Colorado encompass. She soon became a citizen of the world when she went on Semester at Sea, traveling to over 15 countries including Brazil, South Africa, India, China and Japan. This is where she experienced Eastern medicine for the first time and fell in love with what it had to offer its patients.

Sarah received her Masters degree in Traditional Chinese Medicine from Southwest Acupuncture College in Boulder, CO—one of the foremost institutions for Traditional Chinese Medicine in the country. After three and a half rigorous years of study, Sarah completed over 2,000 hours in classroom work; becoming proficient in all theories of Traditional Chinese Medicine including herbal medicine. Along with the class work, she has completed over 1,500 hours in clinical internships. Included in those are specialty clinics including OBGYN, oncology, pediatrics, sports medicine, Japanese Kototama Inochi medicine, and Qi Gong body/energy work. Sarah also had the opportunity to work with The Carriage House, a program set up to treat Boulder’s homeless community. Sarah became a NCCAOM board certified acupuncturist and herbalist in 2013 and is a member of the Acupuncture Association of Colorado.

Sarah also has a background in health sciences as she received a Bachelors degree from Colorado State University in Health and Exercise Sciences, specializing in Sports Medicine. This degree allowed Sarah to have a Western foundation and understanding for the body, physiological functioning and knowledge helping her to treat any type of ailment such as musculoskeletal problems, pain, digestive disorders, women’s issues,pregnancy wellness, and stress-related disorders. Based on her knowledge of nutrition, as an alternative therapy to encourage healing, dietary counseling has become a staple in her treatments as well.


Kailey Brennan 
L.Ac., Dipl. OM.,
Board Certified


Kailey was inspired to study acupuncture after receiving it herself and experiencing a resolution of symptoms related to insomnia, fatigue, depressive mood, and burnout brought on by working night shift positions in her twenties. Acupuncture has dramatically enhanced her overall sense of well-being and been a catalyst to making many health and lifestyle improvements, and she feels continually inspired to be able to share this medicine with her patients.

She earned a Masters in Traditional Chinese Medicine from The Colorado School of Traditional Chinese Medicine in Denver, Colorado. This intensive program was structured on how the practice of acupuncture and Chinese medicine is currently taught in mainland China, all with a solid foundation in Western medicine. She is certified in Clean Needle Technique, is nationally certified and state-licensed in the practice of acupuncture and Chinese medicine, and is a professional member of the Acupuncture Association of Colorado.

Kailey is a general practitioner with a special interest in the treatment of psycho-emotional well-being, women’s health, and fertility. She has trained in multiple approaches to the practice of acupuncture and herbal medicine in order to comprehensively approach a patient’s situation from multiple therapeutic viewpoints. 

She has completed extensive training and certification in the practice of 5 Element Acupuncture, a branch of Chinese Medicine that nurtures and enhances the relationship between mind, body, and spirit.

She is also involved in ongoing studies with a group of longstanding Chinese medicine practitioners who are bringing some of the palpation techniques from the Western osteopathic tradition into the practice of acupuncture and Chinese medicine. This synthesis is called Engaging Vitality. Kailey is involved with ongoing Engaging Vitality practice groups both along the Front Range and outside of Colorado. 

Kailey also teaches Alpenglow Acupuncture's Introduction to Meditation Course. 

Outside of the clinic, she enjoys spending time with her husband and two pets - a Black Mouth Cur mix named Moose and a big fluffy Maine Coon named Hank, as well as painting, yoga, cooking, seeing live music, and hiking. 


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All material provided on this website is provided for informational or educational purposes only and is not intended as a substitute for a relationship with, and advice provided by, your healthcare professional or physician.

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